Omron EJ1N-TC4

Modular Temperature Controller EJ1 9
■ Multiple Units with an EJ1N-HFU
Building Systems Communicating 1:1 with a PLC Using Programless
Communications
• The 2 auxiliary outputs (transistor outputs) provided on the End Unit can be used.
• In addition to the 2 auxiliary alarm outputs provided on the End Unit, the 4 event inputs/4 auxiliary outputs (transistor outputs) of the HFU can
also be used.
• G3ZA outputs can be used.
• Distributed placement is possible by using multiple EJ1C-EDU End Units
SW2
SW1
ERROR
OCC
SD/RD
READY
G3ZA
SW2
SW1
ERROR
OCC
SD/RD
READY
SW2
SW1
ERROR
OCC
SD/RD
READY
G3ZAG3ZA
PC
EJ1N-HFU
PLC
EJ1N-TC4
or
EJ1N-TC2 EJ1C-EDU
Port B
RS-232C
Port B is used for distributed placement.
Port A (connector): USB connection can be made with the
E58-CIFQ1 (sold separately).
COM1
COM2
COM3
PWR
RUN
ERR
ALM
SW1
ON
SW2
21345678
EJ1-TC4
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
COM1
COM2
COM3
PWR
RUN
ERR
ALM
SW1
ON
SW2
21345678
EJ1-TC4
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
COM1
COM2
COM3
PWR
RUN
ERR
ALM
SW1
ON
SW2
21345678
EJ1-TC4
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
COM1
COM2
COM3
PWR
RUN
ERR
ALM
SW1
ON
SW2
21345678
EJ1-HFU
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
CX-Thermo for setting
G3ZA
connecti-
on port
G3ZA
connection
port
Port C
G3ZA
connection
port